Finding the Fourth Proportional to 293,948.62, 405,647.40 and 163,124.96
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Solution
The fourth proportional to 293,948.62, 405,647.40 and 163,124.96 is: 225,111.50
Step by Step Solution
- Step 1: Write the proportion equation
293,948.62 : 405,647.40 = 163,124.96 : x - Step 2: Convert to fraction form
293,948.62/405,647.40 = 163,124.96/x - Step 3: Cross multiply
293,948.62x = 405,647.40 × 163,124.96 - Step 4: Simplify right side
293,948.62x = 66,171,215,899.10 - Step 5: Solve for x
x = 66,171,215,899.10/293,948.62 - Step 6: Final answer
x = 225,111.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.